John Krasinski as Luke Purdue

Natalie Portman as Charlotte Purdue

Eiza González as Esme

Domhnall Gleeson as Owen Carver

Arian Moayed as Inspector Jamal Abbas

Laz Alonso as Patrick Murphy

Carmen Ejogo as Deb McCall

Stanley Tucci as The Elder

Benjamin Chivers as Thomas

Michael Epp as Praeger

Steve Tran as Kasem

Daniel de Bourg as Harold

Perdita Weeks as Harold’s Lawyer

Simon Shorten as Dubious Cop

Russell Balogh as Agent Stevens

Elly Condron as Head Librarian

Edith Bukovics as Library Board Member

Donnie Baxter as Westerguard

Antony Bunsee as Professor Bishara